//定制请求的实例
import { ElMessage } from 'element-plus'
import axios from 'axios';
import router from '@/router'
import { useTokenStore } from '@/stores/token.js'

const baseURL = '/api';
const instance = axios.create({ baseURL })

// 添加请求拦截器
instance.interceptors.request.use(
    (config)=>{
        const tokenStore = useTokenStore();
        if(tokenStore.token){
            config.headers.Authorization = tokenStore.token
        }
        return config;
    },
    (err)=>{
        Promise.reject(err)
    }
)

//添加响应拦截器
instance.interceptors.response.use(
    result => {
        if (result.data.code === 0) {
            return result.data;
        }
        ElMessage.error(result.data.message ? result.data.message : '服务异常')
        return Promise.reject(result.data)
    },
    err => {
        if (err.response.status === 401) {
            ElMessage.error('请先登录')
            router.push('/login')
        } else {
            ElMessage.error('服务异常')
        }
        return Promise.reject(err);//异步的状态转化成失败的状态
    }
)

export default instance;